CVE-2025-55996
CVE-2025-55996 is a medium-severity vulnerability in Rakuten Viber with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.3)
- EPSS exploit prediction: 0% (8th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-29050
- Weakness: CWE-79
- Affected product: Rakuten Viber
- Published:
- Last modified:
Description
Viber Desktop 25.6.0 is vulnerable to HTML Injection via the text parameter of the message compose/forward interface
Frequently asked questions
- What is CVE-2025-55996?
- Viber Desktop 25.6.0 is vulnerable to HTML Injection via the text parameter of the message compose/forward interface
- How severe is CVE-2025-55996?
- CVE-2025-55996 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2025-55996 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-55996?
- CVE-2025-55996 affects Rakuten Viber. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-55996?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-55996 have an EU (EUVD) identifier?
- Yes. CVE-2025-55996 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29050.
- When was CVE-2025-55996 published?
- CVE-2025-55996 was published on 2025-09-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:rakuten:viber:*:*:*:*:*:windows:*:*
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